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Application laboratory stand for multi-symptoms tests for high cyclic fatigue of constructional material

Kaczmarski A.

Journal of Polish CIMAC

2012

Vol. 7, no 3

75-84

This paper describes a need of diagnostics present ship plants according to current technical state. In order to reach competent physical quantity describing fatigue of materials by congregated energy. This paper describes using some diagnostics methods (acoustic emission AE, vibration, thermovision, deformation) in order to definition fatigue state of construction material. The author tries to find correlation between measured quantities which describe continuous process of fatigue wear. Innovation of this research allows use a new, little-know and little-recognized acoustic emission method by energetic fatigue research. Besides the results of AE will verified by use well-knowing and described research methods that are using to appreciate fatigue materials (vibration, thermovision, deformation). Used diagnostic methods were verified with photos of cracked scrap. The conclusion describes suggestion of research results. They will be needed to classification of fatigue symptoms that are measured by the above methods and are giving competent diagnostic dependence. This paper deals the results of elementary research on laboratory stand. They will be used to diagnostic of ship plants and their driving elements (shafts, cams, valves).